Home / 1,278,005,796,390.30-1,917,008,694,585.50-906,501,611,046.30

Finding the Fourth Proportional to 1,278,005,796,390.30, 1,917,008,694,585.50 and 906,501,611,046.30

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Solution

The fourth proportional to 1,278,005,796,390.30, 1,917,008,694,585.50 and 906,501,611,046.30 is: 1,359,752,416,569.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,005,796,390.30 : 1,917,008,694,585.50 = 906,501,611,046.30 : x
  2. Step 2: Convert to fraction form
    1,278,005,796,390.30/1,917,008,694,585.50 = 906,501,611,046.30/x
  3. Step 3: Cross multiply
    1,278,005,796,390.30x = 1,917,008,694,585.50 × 906,501,611,046.30
  4. Step 4: Simplify right side
    1,278,005,796,390.30x = 1,737,771,470,031,520,190,693,376
  5. Step 5: Solve for x
    x = 1,737,771,470,031,520,190,693,376/1,278,005,796,390.30
  6. Step 6: Final answer
    x = 1,359,752,416,569.49

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.